Dallas County Climate
Dallas County, Arkansas
Avg Annual Temp
61.8°F
Annual Precip
56.9"
Annual Snowfall
1.4"
Extreme Heat Days
67.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Dallas County Weather
Warm and Exceptionally Wet Southern Climate
Dallas County averages 61.8°F, placing it significantly warmer than the national median of 54°F. It is also one of the wetter regions in the country, receiving 56.9 inches of rain annually.
Exceeding the Arkansas Annual Rainfall Norms
The county's average temperature of 61.8°F is slightly above the state average of 61.0°F. More notably, its 56.9 inches of precipitation far exceeds the state average of 52.4 inches.
Warmer and Wetter than Northern Neighbors
Dallas County is warmer and significantly wetter than Faulkner County to the north, which sees 50.9 inches of rain. Its 61.8°F average is also higher than the 59.9°F found in the central part of the state.
Prolonged Heat with Very Little Snow
The county faces 67 extreme heat days annually, with July temperatures averaging 81.0°F. Snowfall is nearly non-existent, averaging just 1.4 inches per year.
Preparing for Heavy Rain and Heat
Residents must prioritize flood mitigation and roof maintenance due to the high 56.9-inch annual rainfall. Expect high energy bills during the 67 days of 90°F+ temperatures each year.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.